The Relevance of Culture for the Study of Political Psychology.

Ross, M. H. (2000). The Relevance of Culture for the Study of Political Psychology. in Political Psychology: Cultural and Crosscultural Foundations. S. Renshon and J. Duckitt. New York., New York University Press.
Norms of equality facilitate cooperation among groups who are then more likely to rely on influence or persuasion, rather than on violence.